Tigers and lions have more similar dna sequences than tigers and domestic cats do. what does that tell scientists?

Which blood cell spend most of their time in the lymphatic system?

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Which of the following is a common response to cell signaling?